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🔒 SSL certificate check

Expiry date, days left, issuer, SANs, negotiated TLS version, and whether the chain, hostname and trust are in order.

Invalid
Invalid · -4179 days left
Expires 2015-04-12 23:59 UTC
https://expired.badssl.com · checked 2026-09-20 02:10 UTC from Vigil's servers
not trusted TLSv1.2

Checks

Trusted chain
issuer is a public CA and intermediates are served
pass
Hostname matches
certificate covers expired.badssl.com
pass
Not expired
-4179 days left
fail
Not self-signed
issued by COMODO CA Limited
pass
Modern TLS
negotiated TLSv1.2 · ECDHE-RSA-AES128-GCM-SHA256
pass

Problems

Certificate has expired high
Renew the certificate now; browsers show a full-page warning for expired certificates.

Certificate

Subject
*.badssl.com
Issuer
COMODO CA Limited (COMODO RSA Domain Validation Secure Server CA)
Valid from
2015-04-09 00:00 UTC
Valid until
2015-04-12 23:59 UTC (-4179 days)
Serial
4ae79549fa9abe3f100f17a478e16909
Protocol
TLSv1.2 · ECDHE-RSA-AES128-GCM-SHA256
SANs (2)
*.badssl.combadssl.com
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